13263047

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 15624000

約数和(自身を除く): 2360953

約数列:

[1, 7, 61, 89, 349, 427, 623, 2443, 5429, 21289, 31061, 38003, 149023, 217427, 1894721, 13263047]

約数ペア:

[(1, 13263047), (7, 1894721), (61, 217427), (89, 149023), (349, 38003), (427, 31061), (623, 21289), (2443, 5429)]